Description
2014 Chevrolet Silverado 4.3L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2014 Chevrolet Silverado 4.3L models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with no dealer visit required.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
-
Complete communication & CAN-bus verification
-
Sensor input/output and signal integrity checks
-
Injector & ignition pulse simulation
-
Power, ground, and load-circuit analysis
-
Flash memory integrity and checksum validation
-
Thermal and voltage-stress testing to confirm reliability
This ensures a fully functional, reliable, plug-and-play module you can install with confidence.
Important Note
Some vehicles equipped with IMMO (Immobilizer) or PATS (Passive Anti-Theft System) may require additional key programming after installation. This is normal for models where security data must be synchronized with the vehicle’s body control system.
For a 100% plug-and-play solution with no relearns, no key programming, and no compatibility issues, we recommend our ECU Cloning Service, which transfers all original security, immobilizer, and configuration data directly into the replacement unit.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566





Diego Evans –
I was a bit nervous ordering an ECM/ECU online, but this one for my 2014 Silverado was exactly what I needed. The VIN was already programmed, so installation was a breeze—I literally just plugged it in and it worked perfectly. Shipping was quicker than I expected, and I had a couple of questions that their support team answered promptly and clearly. Since swapping it out, my truck runs smoother and has no error codes. Definitely a hassle-free experience that got my Silverado back on the road fast.
Benjamin Gray –
This ECM fit perfectly and was ready to go right out of the box—made my Silverado run smooth again in no time! Fast shipping and hassle-free install, highly recommend.
Tyler Parker –
This ECM was exactly what I needed to get my 2014 Silverado back up and running smoothly. It arrived quickly and was already programmed to my VIN, which saved me a ton of time and hassle. Installation was straightforward—just plug it in and go, no extra programming required. Overall, a high-quality product with excellent support if you need it.
Miguel Rivera –
I was a bit nervous about replacing the ECM on my 2014 Silverado, but this unit made the whole process surprisingly easy. It came already VIN programmed, so I didn’t have to mess with any complicated setup. Installation was truly plug and play—I was back on the road in no time. The shipping was quick, and I appreciated the follow-up from their support team who answered my questions promptly. Overall, this saved me a lot of hassle and got my truck running like new again. Highly recommend if you need a reliable replacement part.